221401299

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{2969}}^1$

素因数の和:3099

約数の個数: 32

約数和(自身を含む): 348986880

約数和(自身を除く): 127585581

約数列:

[1, 3, 7, 21, 53, 67, 159, 201, 371, 469, 1113, 1407, 2969, 3551, 8907, 10653, 20783, 24857, 62349, 74571, 157357, 198923, 472071, 596769, 1101499, 1392461, 3304497, 4177383, 10542919, 31628757, 73800433, 221401299]

約数ペア:

[(1, 221401299), (3, 73800433), (7, 31628757), (21, 10542919), (53, 4177383), (67, 3304497), (159, 1392461), (201, 1101499), (371, 596769), (469, 472071), (1113, 198923), (1407, 157357), (2969, 74571), (3551, 62349), (8907, 24857), (10653, 20783)]